I'm seeing a white border around the tree view inside the 3D editor, is there a way I can remove it? I'm using FreeCAD 0.20.1, and selected the Behave-dark theme, however, I'm seeing the same border with other themes.
My FreeCAD version info is as follows:
OS: KDE Flatpak runtime (GNOME/gnome-xorg)
Word size of FreeCAD: 64-bit
Version: 0.20.1.29410 (Git)
Build type: Release
Branch: (HEAD detached at 0.20.1)
Hash: f5d13554ecc7a456fb6e970568ae5c74ba727563
Python 3.9.9, Qt 5.15.5, Coin 4.0.0, Vtk 8.2.0, OCC 7.6.2
Locale: English/United States (en_US)
